Finding the Fourth Proportional to 16,402,456.15, 24,603,684.23 and 16,402,456.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402,456.15 : 24,603,684.23 = 16,402,456.15 : x
2. Step 2: Convert to fraction form
   16,402,456.15/24,603,684.23 = 16,402,456.15/x
3. Step 3: Cross multiply
   16,402,456.15x = 24,603,684.23 × 16,402,456.15
4. Step 4: Simplify right side
   16,402,456.15x = 403,560,851,629,009.25
5. Step 5: Solve for x
   x = 403,560,851,629,009.25/16,402,456.15
6. Step 6: Final answer
   x = 24,603,684.23